EP1616629A1 - Dispositif d'actionnement pour distributeur de fluides - Google Patents

Dispositif d'actionnement pour distributeur de fluides Download PDF

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Publication number
EP1616629A1
EP1616629A1 EP05014620A EP05014620A EP1616629A1 EP 1616629 A1 EP1616629 A1 EP 1616629A1 EP 05014620 A EP05014620 A EP 05014620A EP 05014620 A EP05014620 A EP 05014620A EP 1616629 A1 EP1616629 A1 EP 1616629A1
Authority
EP
European Patent Office
Prior art keywords
energy
actuating
actuating device
medium
actuation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP05014620A
Other languages
German (de)
English (en)
Other versions
EP1616629B1 (fr
Inventor
Jürgen Greiner-Perth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aptar Radolfzell GmbH
Original Assignee
Erich Pfeiffer GmbH
Ing Erich Pfeiffer GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Erich Pfeiffer GmbH, Ing Erich Pfeiffer GmbH filed Critical Erich Pfeiffer GmbH
Publication of EP1616629A1 publication Critical patent/EP1616629A1/fr
Application granted granted Critical
Publication of EP1616629B1 publication Critical patent/EP1616629B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1052—Actuation means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1052—Actuation means
    • B05B11/1056—Actuation means comprising rotatable or articulated levers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1052—Actuation means
    • B05B11/1056—Actuation means comprising rotatable or articulated levers
    • B05B11/1057—Triggers, i.e. actuation means consisting of a single lever having one end rotating or pivoting around an axis or a hinge fixedly attached to the container, and another end directly actuated by the user
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1073—Springs
    • B05B11/1076—Traction springs, e.g. stretchable sleeve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1073—Springs
    • B05B11/1077—Springs characterised by a particular shape or material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/109—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle the dispensing stroke being affected by the stored energy of a spring
    • B05B11/1092—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle the dispensing stroke being affected by the stored energy of a spring automatically released from a loaded state at the end of the loading stroke
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0037—Containers
    • B05B11/0038—Inner container disposed in an outer shell or outer casing

Definitions

  • the invention relates to an actuating device for a manually operable medium dispenser with an energy storage device for storing a necessary for the actuation of the medium storage actuation energy and means for charging the energy storage with the actuation energy depending on a manual movement of an actuating element.
  • DE 102 20 557 A1 is known from the prior art, which shows a manually operable medium dispenser with an actuating device.
  • the actuator is provided with a path-dependent operated spool valve which is driven by relative movement between a piston rod and a control spike mounted in a pump cylinder. Since a pump chamber bounded essentially by the pump cylinder and a piston sleeve is closed in an initial state via the path-dependent slide valve, the pump chamber enclosed in the pump chamber is closed Medium pressurized upon actuation of the piston rod. As a result, a relative movement of the piston sleeve relative to the piston rod takes place.
  • a spring which acts as a loading means and is in operative connection with the piston sleeve, is prestressed, a balance of forces being present between a tension of the spring and a pressure in the medium.
  • the slide valve opens due to the relative movement between piston rod and control pin, so that the medium pressurized by the spring can be discharged. This should be achieved by an independent manner of actuation discharge of the medium.
  • the object underlying the invention is to provide an actuating device of the type mentioned, which allows an improved, user-independent medium discharge.
  • a control device is in operative connection with the charging means, which carries out a release of the actuation energy of the energy store upon reaching an energy level corresponding to the actuation energy.
  • the actuating device ensures that the at least one medium stored in a medium dispenser is subjected to a sufficient actuation energy and an advantageous operating speed by the intended dosage and distribution or application of the medium, in particular by a spraying process in an environment to achieve.
  • the control device is designed so that a release of the actuation energy can take place, provided that a minimum energy is stored in the energy storage.
  • the actuator ensures that even users who have difficulty in applying the actuation energy, that a proper medium discharge takes place.
  • the user can concentrate on the application of the trigger energy, while the discharge process for the medium proceeds without any further action by the user. Even a slow or uneven or interrupted actuation creates a uniform and precisely metered discharge process. This is particularly important in the design of media dispensers or discharge devices for children, weakened or elderly people.
  • the solution according to the invention is particularly suitable for pharmaceutical, but also for cosmetic media and applications.
  • the actuation path is the path to be actuated by the user Handle between a neutral position and a release position for the actuating energy travels.
  • the work applied by the user essentially corresponds to the actuating energy stored in the energy store.
  • the energy level is path-dependent achievable and corresponds to a predetermined operating position of the actuating element.
  • the actuating element is liftable, so that the relevant operating position is a predetermined stroke position in which the control device releases the energy store.
  • the control device has an actuating device for transmitting an actuating movement and a triggering device for controlling the actuating device, which are arranged relative to each other movable and can be brought into operative connection with each other for a release of the actuating energy.
  • the adjusting device can be provided, for example, as an actuator for a pump piston of a medium dispenser or as a receptacle for a medium reservoir or a medium pump in a discharge device.
  • the adjusting device is thus provided for a direct or indirect transfer of the energy stored in the energy storage actuating energy to the medium to be discharged.
  • the triggering device is intended to release the actuation energy to be transmitted by the control device and thus to start the discharge process.
  • the adjusting device locking means for the positive engagement behind a retaining geometry in the rest position.
  • the holding geometry can be provided, for example, on a wall of a pump cylinder or on a receptacle for a medium dispenser and be configured in particular as an undercut, shoulder or waistband.
  • the locking means occur in the rest position of the adjusting device with the holding geometry in operative connection and thereby ensure a fixed positioning of the adjusting device.
  • the latching means may be designed in particular as latching lugs or latching hooks and connected to solid-state joints with the adjusting device.
  • the locking means are resiliently biased so that they engage positively in reaching the rest position form fit into the holding geometry without further action.
  • the triggering device on positively acting unlocking means for controlling the locking means.
  • a release of the locking means of the adjusting device can be made in a simple and reliable manner.
  • the locking means are at the time of release of the actuation energy under a considerable load.
  • the unlocking means are at least partially wedge-shaped.
  • the energy storage is provided for storing a kinetic energy by means of elastic deformation.
  • the actuation energy can be stored in particular by elastic deformation of one or more energy storage sections.
  • the energy storage is formed by one or more coil springs.
  • bellows springs made of plastic, leaf springs, elastomer elements, coil springs, metallic or non-metallic spring elements and the like may be provided.
  • the energy store can also be designed as a tension element made of an elastic plastic material, in particular of thermoplastic elastomer.
  • a substantially tubular tension element or a tension element made of a plurality of elastomer strands, which are arranged loosely or connected to each other is suitable.
  • the helical spring may be designed as a linear, degressive, progressive helical spring or a combination thereof in order to achieve an optimum adaptation of the operating force to be applied by the user to the actuating travel.
  • the energy level for actuating the medium dispenser essentially by a spacing of the locking means of the unlocking means and / or a spring constant the energy storage and / or a bias of the energy storage in the rest position predetermined.
  • a spacing of the unlocking of the locking means of the actuation path is defined, within which the user exerts the actuating force and thus introduces the corresponding actuation energy in the form of work in the energy storage.
  • the spring constant is determined by the elastic deformation of the energy storage device as a function of the applied force.
  • the bias of the energy storage is that energy that is already stored in the rest position by elastic deformation of the built-in actuator energy storage.
  • a second, in particular single or multi-part energy storage is provided, which is designed as a restoring device for the first energy storage.
  • the second energy store can be switched in particular in series with the first energy store, so that a release of the stored in the first energy storage actuation energy leads to a storage of energy in the second energy storage.
  • the second energy store can be designed in particular as a helical spring with a low spring constant as the first energy storage.
  • the actuating device is provided with a receiving region for different types of medium dispensers, which in particular have a thrust piston pump and a medium reservoir.
  • the actuator optionally be detachably connected to different media dispensers.
  • the object underlying the invention is also achieved by a medium dispenser having an actuating device according to the invention.
  • the actuating device is preferably an integral part of the medium dispenser, in particular the medium pump, which is provided for the discharge of the medium from the medium reservoir.
  • the structural design of the medium dispenser in particular the medium pump.
  • a reliable distribution of the medium, in particular a nebulization can be ensured in the actuator according to the invention just at the beginning of a discharge because the actuation of the pumping device is almost abruptly with the defined actuation energy.
  • the energy level can be achieved depending on the power.
  • the energy level can be achieved only force-dependent or combined depending on path and force.
  • the control device on retaining elements which remain positively secured by static friction forces when charging the energy storage.
  • the adhesion for the retaining elements is selected so that when reaching the energy level to release the actuation energy is a transition from a static friction to a sliding friction. Which by itself at a stationary Function part frictionally supporting retaining elements applied counterforce is chosen so that upon reaching the energy level to release the actuation energy, the retaining elements can no longer be supported by static friction on the stationary functional part, but rather get into a sliding movement, which inevitably causes the desired movement process.
  • means for influencing frictional forces between the movable retaining elements and a stationary functional part are provided.
  • friction coefficients or contact angles of retaining elements and / or functional part can be increased or reduced in various embodiments.
  • Common options are different choice of material, roughening or smoothing of adjacent surfaces, coating and the like.
  • An essential possibility is also to match the angle of the contact surfaces of the retaining elements on the stationary functional part so that the desired transition from static to sliding friction takes place. Depending on the design corresponding angle or coefficient of friction, different tripping characteristics can be achieved.
  • the energy storage is made as a least catchy coil spring made of a plastic material and has at least one integrally molded locking means.
  • the integrally formed on the coil spring locking means ensures a particularly favorable flow of power between the energy storage and the control device, thereby a simple and reliable design of the actuator can be ensured.
  • plastic materials in particular POM (polyoxymethylene), PC (polycarbonate), PP (polypropylene) preferably reinforced, or other engineering plastics are used.
  • an actuating element for an at least temporary exercise of a tensile force is formed on the coil spring.
  • a tensile force to actuate the medium dispenser, a particularly compact design of the energy storage can be achieved.
  • the energy storage is at least substantially unstressed in a resting state and is elastically deformed only upon application of an actuating force to absorb the actuation energy.
  • no compression space must be provided in an acted upon with tensile forces energy storage, but the charging process of the energy storage with actuation energy takes place by an expansion. Therefore, the energy storage in the rest position occupies a smaller space as in the energetic functional position, resulting in the advantageous, compact design.
  • the energy store for tensile forces in particular when using creep materials such as plastics, stress relaxation is avoided, which is accompanied by a reduction in the amount of energy that can be stored.
  • a stress relaxation can occur solely by the weight of the energy storage and is reinforced by supported on the energy storage components.
  • the stress relaxation can occur, in particular, in the case of prestressed pressure springs made of creep-capable material materials, which plastically deform under continuous loads.
  • the energy storage capacity which can be loaded on tensile force is at best reduced to its block length in the rest position by its own weight or supported components, that is to say the turns of the spiral spring come into mechanical contact with one another.
  • the actuating element is provided for a pivotable receptacle on a housing and has unlocking means for controlling the latching means.
  • At least one positive and / or non-positively coupled with a media storage holding area is provided on the coil spring.
  • the holding region can be designed for frictional transmission of the actuating energy by means of friction forces, for example by a press fit between the coil spring and the medium reservoir.
  • corresponding geometries can also be provided on the coil spring and the medium reservoir, which enable a transmission of the actuating energy and the associated actuating forces via pressure and / or tensile forces. The corresponding geometries thus ensure positive locking between coil spring and medium reservoir.
  • the holding region is designed as a piece integrally formed on an end face of the coil spring bottom portion.
  • a bottom portion a positive connection between a correspondingly shaped region of the medium container and the coil spring is achieved, while the medium container can come in particular with a substantially flat container bottom on the bottom portion of the coil spring to the plant.
  • the bottom portion may be formed as a continuous Bodeplatte, as radially inwardly facing, circumferential edge or as an arrangement of radially inwardly projecting projections.
  • the spiral spring has a wall thickness (xd) which amounts to at least 10% of a coil width (xw). This ensures a favorable relationship between an elasticity and the ability to absorb energy on the one hand and a stability of the spiral spring on the other hand.
  • the spiral spring has an inner diameter (xi), which corresponds to at least one coil width (xw). This is a particularly favorable ratio between a space occupied by the coil spring space and a storable in the coil spring energy can be achieved.
  • the actuating device 1 illustrated in FIG. 1 has an outer sleeve 12, an actuating device designed as a retaining device 6, an energy accumulator 4 designed as a helical spring 11 and a triggering device designed as a handle or actuating element 7.
  • the outer sleeve 12 is designed substantially cylindrical and has a provided with a rounded, tapered end with an applicator 16 on.
  • an inwardly facing, circumferential locking collar 17 is provided, which is designed for a positive connection with an applicator of a in Figs. 2 to 4 closer illustrated medium dispenser.
  • an inwardly directed stop collar 18 is provided, which serves as an end stop for a linear movement of the handle 7 along a central longitudinal axis 19.
  • the handle 7 is designed for a positive operative connection with the stop collar 18 as a cylindrical member having two concentric outer diameter ranges, wherein a region having a larger outer diameter is received in a correspondingly designed inner diameter portion of the outer sleeve 12, while a smaller outer diameter portion longitudinally through the stop collar 18 the central longitudinal axis 19 is guided.
  • the handle 7 has an end of the applicator 16 facing an unlocking means 10 running, conical taper of the wall thickness.
  • the unlocking means 10 can cancel as part of the control device 5 after approach of the handle 7 on latching means 8 of the holding device 6 along the actuation path 31 a positive connection of the latching means with a receptacle 12 and thus cause a relative movement between the holding device 6 and receptacle 12.
  • the product of actuating travel 31 and the force necessary for the deformation of the coil spring 11 results in the work to be performed by the user, which is stored in the spiral spring 11 in the form of deformation energy as actuation energy.
  • the coil spring 11 is for this purpose with an inner surface of the handle 7 and a bottom surface of the holding device 6 in operative connection and allows a power transmission between the handle 7 and the holding device 6.
  • a guide bush 13 is provided, which is designed for a guide and Ausscherbegrenzung a relative movement relative to the holding device 6.
  • the guide bush 13 has a circumferential retaining collar 14, which can come into positive-locking operative connection with a peripheral collar of a guide pin 15 attached to the retaining device 6.
  • the holding device 6 is designed substantially cylindrical or cup-shaped and has on a cylinder jacket in each case oppositely arranged, pivotable in the radial direction, radially outwardly biased locking means 8, which are designed as snap hooks and are connected by means of solid joints 20 on the holding device 6.
  • the locking means 8 engage behind in a rest position of the holding device 6 designed as a circumferential collar holding geometry 9 of the outer sleeve 12.
  • the guide pin 15 is attached.
  • a manually operated medium dispenser 2 which consists essentially of a medium container 21 and a medium pump 22 attached thereto.
  • the actuating device 1 and the medium dispenser 2 then form a discharge device.
  • the medium container 21 is designed as a substantially cylindrical hollow body with a closed and an open end. At the open end of the medium container 21, a collar region is provided, on which the medium pump 22 is mounted in a form-fitting manner sealed with sealing means.
  • the medium pump 22 essentially has a first pump section fixedly mounted on the medium container 21 and a second pump section mounted relatively movably thereto.
  • the medium pump 22 is adapted for use in the actuator 1 such that it has a circumferential groove 23 on the second pump section instead of a finger pad usually mounted there, which can be brought into positive connection with the locking collar 17 of the outer sleeve 12 and thus a power transmission allowed from the outer sleeve 12 to the second pump section.
  • the medium container 21 is received for the application of an actuating force in the holding device 6, which in turn is on the energy storage 4 with the handle 7 in operative connection and thus can be controlled by applying an actuating force.
  • a relative movement of the second pump section relative to the medium container 21 and the first pump section formed composite, which leads to a discharge of the medium stored in the medium storage.
  • a return spring 24 is provided which, in the absence of an actuating force on the medium pump 22, ensures the initial or neutral position between the first and the second pump section shown in FIG. In this initial position, an unspecified pump chamber of the medium pump 22 communicating via a riser 25 is connected to the medium in the container 21 and thus allows an inflow of medium into the pumping chamber.
  • the spring force applied by the return spring 24 must be overcome, since the restoring spring 24 is designed as a compression spring.
  • an applicator 26 designed as a nose olive is provided, which has an unspecified medium guide with a pressure valve 29 and an outlet opening 27 arranged on the front side.
  • the medium to be conveyed by the medium pump 22 can be discharged as a fine spray into an environment of the medium dispenser.
  • the actuating device 1 which operates essentially independently of the medium dispenser 2 used, allows a control of the medium dispenser 2 in a predetermined manner and thus independent of a user-individual operation.
  • the holding device 6 Since the holding device 6 is held in a form-fitting manner with the latching means 8 in the holding geometry 9 of the outer sleeve 12, initially no relative movement of the holding device 6 takes place. Thus, the operating force applied by the operator along the actuation path initially merely leads to an increase in the actuation energy stored in the energy store 4 due to the work involved.
  • the unlocking 10 approach the locking means 8, wherein the design of the coil spring 11 as a linear compression spring, a substantially linear relationship between the approach of the unlocking of the locking means 8 and the introduced into the energy storage 4 actuation energy consists.
  • the energy storage 4 may be designed as a progressive or degressive coil spring, so that a non-linear Relationship between actuation energy and approach between the locking means and the Entriegelungsstoffn may occur.
  • the deformation of the return spring allows a relative movement between the first pump section and the second pump section.
  • the medium contained in the unspecified pumping chamber is compressed and pressed along the unspecified medium channels into the applicator, from where it can be discharged into the environment at a minimum pressure defined by the pressure valve 29 through the discharge opening 27 ,
  • the restoring force of the return spring 24 is significantly lower than the pressure force of the coil spring 11, so that the operation of the medium dispenser 2 runs automatically and without further action of a user a desired and user-independent medium discharge takes place.
  • the second pump section enters with the first pump section the medium pump 22 in a blocking position shown in Fig. 4, so that no further relative movement between the first and the second pump section is possible.
  • the originally stored in the energy storage 4 actuation energy has been transferred substantially to the return spring 24 and the discharged medium.
  • the energy stored in the return spring 24 is now used to effect recovery of the first pump section relative to the second pump section in the course of another relative movement, with medium being drawn into the pumping chamber (not shown) is pressed by the relative movement between the first and the second pump section of the medium container 21 in the direction of the handle 7, whereby the holding device 6 is returned to the form-locking latched starting position. Since no operating force is exerted on the handle 7 at the same time, it is displaced from the end position shown in FIG. 4 into the neutral position shown in FIG. Thus, the actuator 1 and the medium dispenser 2 total return to the starting position shown in Fig. 2 and are the user for a further discharge of the medium available.
  • the actuating device 101 is integrated in a medium pump 122 of a medium dispenser.
  • the medium pump 122 has a handle 107 for actuation.
  • unlocking means 110 are provided frontally, which are designed as a cone-shaped widening of the wall of the handle 107.
  • the handle 107 is guided in a cylindrically shaped pump sleeve 141 and, by means of the energy accumulator 104 designed as a spiral spring, is in operative connection with the actuating device designed as a pump piston 142.
  • a discharge opening 127 is provided, which is closed in the rest position by a spring-loaded pressure valve 129.
  • the discharge opening 127 communicates with a medium channel 145 in communicating connection.
  • the medium channel is supported relative to the pump piston 142 and sealed by an O-ring 146.
  • the pump piston 142 has latching means 108, which are locked positively in the rest position in a holding geometry 109 of the pump sleeve 141.
  • a sealing collar 143 designed as a conical ring for limiting a pump chamber 144 formed by the pump sleeve 141 is provided on the pump piston 142.
  • the pump piston 142 is supported by a return spring 124 at the bottom of the pump sleeve 141.
  • the discharge process ends and the actuating device assumes the final state shown in FIG.
  • the user can now reduce the actuating force on the handle, so that the substantially relaxed first energy storage 104 can be pressed by the second energy storage 124 together with the pump piston 142 back to its rest position, the positive connection of the locking means 108 is restored with the holding geometry 109 , With the return of the pump piston 142 in the rest position medium is sucked via the riser 125 from a medium container, not shown, so that the pump chamber 144 is filled for a renewed discharge process with medium and the starting position is taken as shown in FIG.
  • an actuation of the actuating element 207 takes place by means of an actuating lever 246.
  • the actuating lever 246 is snapped onto a pivot pin 247 connected to the outer sleeve 212 and aligned orthogonally to the central longitudinal axis 219 by means of a latching or clip connection 250 and thus mounted so as to be pivotable relative to the outer sleeve 212.
  • Connected to the clip connection 250 is a run-off path 248 designed as a circular arc segment, which is provided for transmitting the actuating movement, which can be introduced into the hand lever 249, onto the actuating element 207.
  • FIG. 9 which shows a detail enlargement of the detail X shown in FIG. 8, retaining means 208 and the corresponding retaining geometry 209 of the actuating device 201 according to FIG. 8 are shown in greater detail.
  • a triggering behavior of the control device 205 is substantially determined by the geometric configuration of the retaining means 208 and the retaining geometry 209.
  • the orientation of a contact surface 252 of the retaining means 208 that comes into operative connection with one another and a holding surface 253 of the retaining geometry 209 may be mentioned as influencing variables on the tripping behavior.
  • the geometric configuration of the active surface 251 facing the unlocking means 210 and a corresponding angle ⁇ as well as the choice of materials, the dimensioning of the solid joints 220 and the use of solid or liquid lubricants are also important.
  • the contact surface 252 and the holding surface 253 are aligned in the embodiment shown in FIG. 9 in such a way that they enter into operative connection in the illustrated rest state and an angle ⁇ of the latching surface 252 and an angle ⁇ of the holding surface 253 relative to a radial plane 254 are identical.
  • a greater normal force component F N acts upon initiation of the spring force F F of the resiliently biased solid joint 220 counter, so that, if appropriate, a release of the retaining means can take place before a forced release by the unlocking means 210.
  • the unlocking means is even completely dispensed with, so that a completely force-controlled triggering of the actuating energy by the control device is made possible.
  • a by the angle ⁇ and ⁇ and the elastic properties of the solid state joint 220 substantially specific tripping characteristic of the control device can also be determined by sliding properties of the interconnected in operative connection surfaces of the latching means 208 and the holding means 209.
  • both a sliding coating of one or both surfaces or the use of lubricants can be provided to allow a more spontaneous triggering.
  • one or both surfaces can also be provided with a coating to increase the static and / or sliding friction in order to bring about a slower response of the control device 205.
  • Another parameter for the tripping characteristic of the control device 205 is the latching depth 255, which describes how large the overlap of the latching means 208 with the holding means 209 is. The smaller the detent depth 255, the more spontaneous the triggering characteristic of the control device.
  • an actuating device 301 is attached to a substantially commercially available applicator 326 of a discharge device.
  • the actuator 301 is designed such that it can be attached to the applicator 326 without significant structural changes and is substantially independent of the applicator 326 is functional. Only a circumferential annular shoulder 355 of the applicator 326 is used by the actuator 301 for power support during the charging process of the energy storage 304.
  • the actuating device 301 has an actuating element 307 embodied as a cylindrical handle with a finger support surface 356, which is provided with likewise cylindrically designed unlocking means 310 integrally integrated in the actuating element 307, which are arranged concentrically with the sleeve-shaped outer contour of the actuating element 307.
  • the actuating element 307 is in operative connection with a holding sleeve 357 designed as a holding device, a spiral spring 311 for storing and transmitting an actuating energy is provided by the actuating element 307 on the receiving sleeve 357.
  • the actuator 307 has to limit a relative movement relative to the receiving sleeve 357 on an inwardly facing, circumferential stop collar 318, which enters into operative connection with an outwardly directed boundary collar 358 in a rest position of the actuator of FIG.
  • the locking means 308 are designed as tapered circular arc segments.
  • an operating force on the finger rest 356 along the central longitudinal axis 319 is exerted by a user, not shown.
  • the stop collar 318 slides along a cylindrical outer surface of the receiving sleeve 357, while the unlocking means 310, which are integrally attached to the actuating element, are guided in a ring slot 359 formed by the receiving sleeve 357 and move in the direction of the latching means 308.
  • the unlocking means 310 can interact with the latching means 308, as shown in FIG. 11. This results, as already described for the preceding embodiments of the invention, to a sliding movement of the locking surfaces 352 on the support surfaces 353, which leads to a force component substantially orthogonal to the central longitudinal axis 319 and thus causes an outwardly directed deflection of the locking means 308.
  • the locking means 308 can no longer be supported on the annular shoulder 355 of the applicator and in the Coil spring 311 stored actuation energy leads to a movement of the receiving sleeve 357. Since the receiving sleeve 357 via a locking collar 317 is in operative connection with the applicator 326, this is acted upon by the movement of the receiving sleeve 357 with the actuating force and causes the desired medium discharge.
  • an actuating lever 446 is provided, which enables a force transmission to the actuating element 407 via a travel path 448.
  • no elastically mounted locking means are provided in the actuating device 401 shown in FIGS. 13 to 15, but rather a sliding control 461 with a control bar 462 and a retaining wedge 463 is provided. While the control bar is connected to the actuating lever 446, the retaining wedge 463 is attached to the receiving sleeve 457.
  • the control bar 462 has a surface facing the retaining wedge 463 with a circular section-shaped rounding.
  • the radius of this rounding corresponds to the distance of the control bar 462 to the pivot point 464 of the actuating lever 446, the center of the rounding is also located in the pivot point 464. This ensures a favorable sliding of the control bar 462 relative to the retaining wedge 463 upon movement of the actuating lever 446.
  • the control bar Upon actuation of the operating lever 446 by a user, not shown, the control bar occurs by the rotation of the actuating lever 446 about the pivot point 464 in a form shown in detail in FIG. 14 form-locking operative connection with the retaining wedge 463.
  • Actuation energy is stored in the same manner as in the embodiment according to FIGS. 10 to 12 in the energy storage, not shown here. Since there is a positive connection between the control bar 462 and the retaining wedge 463, which with the retaining wedge 463rd provided receiving sleeve 457 perform no movement.
  • the introduced actuation energy is therefore stored in the energy store until a rotation of the actuating lever has taken place so far that, as shown in more detail in FIGS. 14 and 15, the positive connection between control bar 462 and retaining wedge 463 is resolved by complete sliding and the Recording sleeve 457 is moved by the action of the stored actuation energy with entrainment of the applicator 426 and generating a medium discharge relative to the medium storage, not shown.
  • the energy store 504 shown in FIG. 16 is made as a helical spring 511 from a resilient plastic material and has a substantially tubular cross-section.
  • the spiral spring 511 is designed as a tension spring and is provided in an end region with a profiled transverse groove 568, which is provided for the positive reception of a tie rod 569 of an actuating element 507.
  • Tensile forces can be transmitted from the helical spring 511 or to the helical spring 511 via the tie rod 569.
  • the coil spring is integrally connected to the actuating element via an integrally formed flexurally elastic tie rod, which is in particular provided with film hinges, whereby a particularly advantageous manufacture and assembly of the energy storage is ensured.
  • the turns of the helical spring 511 are spaced from each other in the rest position according to FIGS. 16, 17 and 18 by a helically shaped, circumferential gap 571, wherein a width xs of the gap 571 is substantially smaller than a width xw of the winding 570
  • gap xs is approximately 20% of the width xw of the winding.
  • An inner diameter of the coil spring xi is approximately 2 times the width xw of the winding.
  • An outer diameter of the coil spring xa is approximately 2.2 times the width xw of the winding, so that a material thickness xd of the winding is approximately the width xs of the gap and thus corresponds to approximately 20% of the width xw of the winding.
  • coil spring 511 shown in FIGS. 16 to 20 is designed as a single-turn coil spring, in a non-illustrated embodiment of the invention, a multi-start coil spring can be provided with several helical thread-like columns after the manner of a multiple thread.
  • the actuating element 507 has, according to FIG. 16, a substantially U-shaped cross section, wherein a tie rod 569 is attached to legs 572 at the end, while the second leg 572 is provided with a projection 576 in an end region.
  • a mandrel 577 mounted on a base 574 of the actuator 507 .
  • a pivot 575 is mounted, which is provided for a pivotable mounting of the actuating element on a housing part of a medium dispenser.
  • the legs 572 are split fork-shaped starting from the pivot 575 and thus allow the medium pump to encompass, as shown in FIGS. 18 to 20.
  • circumferential and radially inwardly directed annular collar 565 is provided which is an integrally formed bottom portion and for the positive reception of a in Figs to 20 illustrated medium container 521 is provided.
  • a mounted on a flexurally elastic support portion 567 locking lug 566 is integrally formed as a locking means on the coil spring 511.
  • the medium dispenser 502 according to FIGS. 18 to 20 is equipped with the spiral spring 511 and the actuating element 505 according to FIGS. 16 and 17 and has a medium pump 522 provided with a medium container 521.
  • the medium pump 522 corresponds in its construction essentially to the medium pump according to FIGS. 2 to 4, for which reason reference is made to the associated description sections for details.
  • the medium dispenser 502 is equipped with a housing 578 which encloses the medium container 521 and the medium pump 522, with the exception of the applicator 526.
  • the actuator 507 is pivotally received on the housing 578 at a bearing 579 and thus allows transmission of a user applied to the base 574 operating force on the coil spring 511.
  • the latching lug 566 of the coil spring 511 designed as latching means is in a latching position with a holding geometry 509 of the housing 578, so that the initiation of an actuating force on the actuating element 507 initially only results in an expansion of the tension spring Spiral spring 511 leads.
  • the portion of the helical spring 511 provided with the catch nose 566 and the medium container 521 positively coupled via the annular collar 565 remain in the rest position.
  • the coil spring 511 can return the stored by the elastic deformation actuation energy by a recovery in the unstretched state of the medium pump 522, which via the medium container 521 with the annular collar 565th the coil spring 511 is connected and supported on the housing 578. This results in the desired medium discharge from the outlet opening 527 of the applicator 526, which takes place at least substantially independently of the user.
  • the second leg 573 of the actuating device 507 is designed such that it runs onto an inner wall of the housing 578 immediately after release of the latching lug 566 and thus further movement of the actuating element 507 prevented.
  • the coil spring 511 is moved by its own weight and by the weight of the medium pump 522 and the medium container 521 and optionally by a return spring, not shown, back into the rest position shown in FIG. In this movement, the locking connection between the housing 578 and the latching nose 566 is restored and the actuating element 507 is also pivoted back to the rest position according to FIG. 18.
  • the projection 576 bounds in operative connection with the housing 578, the pivoting movement of the Betuschistselelents 507.
  • the medium dispenser 502 is available for a renewed discharge of the medium.
  • a repeal of the positive connection between the locking means of the holding device and the outer sleeve is provided by means of a separate triggering device, which can only be triggered when the handle has been brought into a biased position, so that the proper Discharge of the medium necessary actuating energy is available.
  • a temporal separation between the introduction of the actuating energy into the energy storage and the triggering of the discharge process is thus achieved.
  • of the invention designed as a coil spring energy storage is integrally formed on the medium container, which can be a particularly cost-effective actuator realize.

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  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
EP05014620.8A 2004-07-13 2005-07-06 Dispositif d'actionnement pour distributeur de fluides Not-in-force EP1616629B1 (fr)

Applications Claiming Priority (1)

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DE102004035141 2004-07-13

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EP1616629B1 EP1616629B1 (fr) 2014-04-02

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EP1974827A1 (fr) * 2007-03-26 2008-10-01 Ing. Erich Pfeiffer GmbH Dispositif de distribution de fluide
WO2015091936A1 (fr) * 2013-12-20 2015-06-25 Reload Labs Vaporisateur rechargeable
CN111632781A (zh) * 2020-06-11 2020-09-08 宁波震裕科技股份有限公司 一种新能源汽车电机铁芯级进模的自动喷胶控制系统
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FR2973012B1 (fr) * 2011-03-21 2013-04-26 Valois Sas Dispositif de distribution de produit fluide a actionnement lateral.
WO2012130757A1 (fr) 2011-04-01 2012-10-04 Boehringer Ingelheim International Gmbh Appareil médical pourvu d'un récipient
US9827384B2 (en) 2011-05-23 2017-11-28 Boehringer Ingelheim International Gmbh Nebulizer
DE102011082420B4 (de) * 2011-09-09 2021-02-04 Aptar Radolfzell Gmbh Flüssigkeitsspender und Austragskopf für einen Flüssigkeitsspender
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WO2013152894A1 (fr) 2012-04-13 2013-10-17 Boehringer Ingelheim International Gmbh Pulvérisateur comprenant des moyens de détrompage
GB2516434B (en) * 2013-07-19 2015-11-25 Consort Medical Plc Fluid delivery device
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JP6643231B2 (ja) 2013-08-09 2020-02-12 ベーリンガー インゲルハイム インターナショナル ゲゼルシャフト ミット ベシュレンクテル ハフツング ネブライザ
US9913952B2 (en) 2013-08-20 2018-03-13 Boehringer Ingelheim Vetmedica Gmbh Inhaler
US9713516B2 (en) 2013-08-20 2017-07-25 Boehringer Ingelheim Vetmedica Gmbh Inhaler
CA2913811C (fr) 2013-08-20 2022-06-07 Boehringer Ingelheim Vetmedica Gmbh Inhalateur
HUE063253T2 (hu) * 2014-03-31 2024-01-28 Boehringer Ingelheim Vetmedica Gmbh Betét inhalátorhoz
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PL3139979T3 (pl) 2014-05-07 2023-12-27 Boehringer Ingelheim International Gmbh Jednostka, nebulizator i sposób
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US8056765B2 (en) 2007-03-26 2011-11-15 Ing. Erich Pfeiffer Gmbh Discharge device for media
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CN111632781A (zh) * 2020-06-11 2020-09-08 宁波震裕科技股份有限公司 一种新能源汽车电机铁芯级进模的自动喷胶控制系统
WO2022225395A1 (fr) * 2021-04-22 2022-10-27 Mind Scouts Innovators B.V. Dispositif de dosage manuel de fluide de soins personnels, combinaison de distributeur de fluide de soins personnels et procédé de dosage d'un fluide de soins personnels avec ledit dispositif de dosage manuel
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Publication number Publication date
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EP1616629B1 (fr) 2014-04-02
US7717299B2 (en) 2010-05-18

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